Vulnerability Description
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6, tvOS 13.4.8, watchOS 6.2.8, iTunes 12.10.8 for Windows, iCloud for Windows 11.3, iCloud for Windows 7.20. Opening a maliciously crafted PDF file may lead to an unexpected application termination or arbitrary code execution.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apple | Icloud | < 7.20 |
| Apple | Itunes | < 12.10.9 |
| Apple | Ipados | < 14.0 |
| Apple | Iphone Os | < 14.0 |
| Apple | Mac Os X | >= 10.13, < 10.13.6 |
| Apple | Macos | >= 11.0, <= 11.0.1 |
| Apple | Tvos | < 14.0 |
| Apple | Watchos | < 7.0 |
Related Weaknesses (CWE)
References
- http://seclists.org/fulldisclosure/2020/Dec/32Mailing ListThird Party Advisory
- http://seclists.org/fulldisclosure/2020/Nov/19Mailing ListThird Party Advisory
- http://seclists.org/fulldisclosure/2020/Nov/20Mailing ListThird Party Advisory
- http://seclists.org/fulldisclosure/2020/Nov/22Mailing ListThird Party Advisory
- https://support.apple.com/kb/HT211288Vendor Advisory
- https://support.apple.com/kb/HT211289Vendor Advisory
- https://support.apple.com/kb/HT211290Vendor Advisory
- https://support.apple.com/kb/HT211291Vendor Advisory
- https://support.apple.com/kb/HT211293Vendor Advisory
- https://support.apple.com/kb/HT211294Vendor Advisory
- https://support.apple.com/kb/HT211295Vendor Advisory
- https://support.apple.com/kb/HT211843Vendor Advisory
- https://support.apple.com/kb/HT211844Vendor Advisory
- https://support.apple.com/kb/HT211850Vendor Advisory
- https://support.apple.com/kb/HT211931Vendor Advisory
FAQ
What is CVE-2020-9876?
CVE-2020-9876 is a vulnerability with a CVSS score of 7.8 (HIGH). An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6, tvOS 13.4.8, watchOS 6.2.8, iTunes 12.10.8 for Window...
How severe is CVE-2020-9876?
CVE-2020-9876 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-9876?
Check the references section above for vendor advisories and patch information. Affected products include: Apple Icloud, Apple Itunes, Apple Ipados, Apple Iphone Os, Apple Mac Os X.